How to wash the sandstone wall
After the application must be able to maintain the permeability of stone and waterproof, antifouling. Must not use unknown protective agent, so as not to fail to achieve the protection effect, but increased the stone maintenance problems.Finally, do not contact non neutral items, all sandstone are afraid of acid-base. For example: acid granite often caused by pyrite oxidation and vomit phenomenon, decomposition of calcium carbonate contained in the marble surface caused by acid, erosion, alkali feldspar and quartz grain boundaries will erode the silicide crystal grain peeling phenomenon caused by granite. Therefore, non neutral items are the reasons for the destruction of stone mirror.
Secondly。 To keep the air dry, the sandstone relief will be hydrated where the humidity is too high. Produce water spots, whitening, weathering, erosion, rust yellow and other diseases, destroying sandstone relief. Therefore, the installation of sandstone relief to keep the place of ventilation and drying. To prevent water infiltration and garbage, still have to carry out regular sandstone relief protection. Special attention must be paid to the quality of protective agents.
The sandstone wall daily need special care, if the surface of the dust, with a soft cloth or a feather can be flicked ink oil, tea, coffee, cola, soy sauce and other dust can easily penetrate into the interior of the stone, the formation of stains. Although there is now the protection of the stone but it is impossible to completely reject the pollution, so once found sandstone relief garbage, must immediately clear, to prevent infiltration into the sandstone relief inside. If it has infiltrated, it can only be repaired.
This is a bit of a problem, not too little of the sand can be used to sand. If the trouble inside unrecoginized.
